.content {
    position: relative;
    z-index: 1;
    height: 97.9rem;
}

        /* left */

.left {
    width: 16%;
    height: 100%;
    float: left;
    /* position: fixed; */
    position: sticky;
    top: 0;
    background-color: #242b2e;
}

 /* header */
.header {
    position: relative;
    width: 100%;
    background-color: #fff;
}

.header .pic-one {
    width: 39%;
    display: block;
    margin: 0 auto;
    padding-top: 1.8em;
}

.header .pic-two {
    width: 25%;
    display: block;
    margin: 0 auto;
    padding-bottom: 2.6em;
}
 
.left .nav {
    width: 100%;
    padding: 0;
    margin: 0;
}

.left .nav li {
    border: 1px solid #293034;
    list-style: none;
    width: 100%;
    height: 3.6em;
    line-height: 3.6em;
    background-color: #31393d;
    text-align: right;
    padding-right: 1.4em;
    color: #fff;
    text-transform: uppercase;
    font-size: 1em;
}

.left .nav a {
    text-decoration: none;    
}

.left .nav a .Home{
    background-color: #22adac;
}

.left .nav li:active {
    background-color: #22adac;
}

/* Filter */

.Filter {
    width: 100%;
    background-color: #242b2e;
    border-bottom: 1px solid #1e282b;
}

.Filter p {
    text-align: right;
    padding-right: 1.7rem;
    color: #1ab5b3;
    padding-top: 1.3em;
    padding-bottom: 1.3em;
    margin-bottom: 0;
}

.Filter .nav-bottom  a {
    text-decoration: none;
    margin-bottom: .8rem;
}

.Filter .nav-bottom li {
    list-style: none;
    width: 100%;
    text-align: right;
    color: #6b7072;
    font-size: .7rem;
    padding-right: 1.7rem;
    margin-bottom: .7143rem;
}

.Filter .nav-bottom .firt-a li {
    color: #fff;
}

.Filter .nav-bottom a:nth-of-type(6) li {
    margin-bottom: 2.1429rem;
}

.Filter-right {
    margin-left: .7em;
}

/* left-bottom */

.left-bottom {
    background-color: #242b2e;    
    overflow: hidden;
}

.share {
    text-align: right;
    padding-right: 1.7rem;
    margin-top: 2rem;
    margin-bottom: 1.7143rem;
}

.left-bottom .text {
    font-size: .6429rem;
    color: #6b7072;
    text-align: right;
    padding-right: 1.7rem;
    margin-bottom: 19.5rem;
}

        /* right */

 .right {
    width: 84%;
    height: 100%;
    /* background-color: bisque; */
    float: right;
    /* overflow: scroll; */
 }

 .right-fixed {
    position: fixed;
    top: 0;
    right: 0;
    width: 6.4286rem;
    height: 6.4286rem;
    background-color: #28b4b2;
    z-index: 999;
    cursor: pointer;
    user-select: none;
 }

 .right-fixed .circle {
    position: absolute;
    left: 1.0714rem;
    top: 1.0714rem;
    width: 4.2143rem;
    height: 4.2143rem;
    border: 1px solid #f9fdfd;
    border-radius: 50%;
 }

 .right-fixed img {
    width: 1.7857rem;
    display: block;
    margin: 0 auto;
    margin-top: 2.3571rem;
 }

.msg {
    width: 20.2143rem;
    height: 9.2857rem;
    background-color: black;
    opacity: .7;
    overflow: hidden;
    position: fixed;
    right: 0;
    top: 6.4286rem;
    z-index: 999;
    display: none;
    user-select: none;
}

.msg img {
    width: 1.4286rem;
}

.msg p {
    opacity: 1;
    color: #fff;
    font-size: .8571rem;
    margin-left: 1.2857rem;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.msg p span {
    display: inline-block;
    text-indent: .7857rem;
}

input[name="ck"] {
    display: none;
 }

input[name="ck"]:checked~.msg {
    display: block;
}

.row {
    display: flex;
    flex-wrap: wrap;

}

/*
 .item{
    width: 25%;
 }

 .item img {
    width: 28.9286rem;
    /* width: 31.9286rem; 
 } */

.item {
    /* width: 31.4rem;
    height: 31.1rem; */
    width: 25%;
    padding: 0;
    position: relative;
    cursor: pointer;
}

.item img {
    /* width: 31.4rem;
    height: 31.1rem; */
    width: 100%;
    
}

.item .hideee {
    width: 100%;
    height: 100%;
    background-color: #2db8b7;
    overflow: hidden;
    text-align: center;
    display: none;
    position: absolute;
    top: 0;
    left: 0;
}

.item .hideee p:nth-child(1) {
    font-size: 1.7rem;
    color: #fff;
    margin-top: 5.7143rem;
    margin-bottom: .7rem;
}

.item .hideee p:nth-child(2) {
    width: 11.1rem;
    margin: 0 auto;
    font-size: 1rem;
    color: #fff;
    padding-bottom: 1.6rem;
    border-bottom: 1px solid #fff;
}
.item .hideee .circle {
    width: 5.9rem;
    height: 5.9rem;
    border: 1px solid #fff;
    border-radius: 50%;
    margin: 0 auto;
    margin-top: 1.8rem;
    position: relative;
}

.circle-yjt {
    position: absolute;
    color: #fff;
    top: 2.2rem;
    left: 2.2rem;
}

.item:hover .hideee {
    display: block;
    opacity: .7;
}


@media screen and (max-width: 1000px) {
    .item {
       width: 33.33333% !important;
   }
}
@media screen and (max-width: 600px) {
     .item {
        width: 50% !important;
    }
}